POLI, Sven, Joshua MBROH, Jean-Claude BARON, Aneesh B SINGHAL, Daniel STRBIAN, Carlos MOLINA, Robin LEMMENS, Guillaume TURC, Robert MIKULÍK, Patrik MICHEL, Turgut TATLISUMAK, Heinrich J AUDEBERT, Martin DICHGANS, Roland VELTKAMP, Johannes HUESING, Holm GRAESSNER, Jens FIEHLER, Joan MONTANER, Adedolapo Kamaldeen ADEYEMI, Katharina ALTHAUS, Juan F ARENILLAS, Benjamin BENDER, Frank BENEDIKT, Gabriel BROOCKS, Ina BURGHAUS, Pere CARDONA, Milani DEB-CHATTERJI, Martina CVIKOVÁ, Luc DEFREYNE, De Herdt VEERLE, Olivier DETANTE, Ulrike ERNEMANN, Fabian FLOTTMANN, Lidia Garcia GUILLAMON, Monika GLAUCH, Alexandra GOMEZ-EXPOSITO, Benjamin GORY, Sylvie Sylvie GRAND, Michal HARŠÁNY, Till Karsten HAUSER, Olivier HECK, Dimitri HEMELSOET, Florian HENNERSDORF, Julia HOPPE, Pia KALMBACH, Lars KELLERT, Martin KOHRMANN, Markus KOWARIK, Blanca LARA-RODRIGUEZ, Loic LEGRIS, Tobias LINDIG, Steffen LUNTZ, Jay LUSK, Mac Grory BRIAN, Andreas MANGER, Nicolas MARTINEZ-MAJANDER, Annerose MENGEL, Johannes MEYNE, Susanne MULLER, Sibu MUNDIYANAPURATH, Olivier NAGGARA, Krassen NEDELTCHEV, Thanh N NGUYEN, Maike A NILSSON, Michael OBADIA, Khouloud POLI, Jan C PURRUCKER, Silja RATY, Sebastien RICHARD, Hardy RICHTER, Clotilde SCHILTE, Eckhard SCHLEMM, Linda STOHR, Benjamin STOLTE, Marek SYKORA, Goetz THOMALLA, Liisa TOMPPO, van Horn NOEL, Julia ZELLER, Ulf ZIEMANN, Christine S ZUERN, Florian HARTIG and Johannes TUENNERHOFF. Penumbral Rescue by normobaric O?=?O administration in patients with ischemic stroke and target mismatch proFile (PROOF): Study protocol of a phase IIb trial. International Journal of Stroke. LONDON: SAGE PUBLICATIONS LTD, 2024, vol. 19, No 1, p. 120-126. ISSN 1747-4930. Available from: https://dx.doi.org/10.1177/17474930231185275.
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Basic information
Original name Penumbral Rescue by normobaric O?=?O administration in patients with ischemic stroke and target mismatch proFile (PROOF): Study protocol of a phase IIb trial
Authors POLI, Sven, Joshua MBROH, Jean-Claude BARON, Aneesh B SINGHAL, Daniel STRBIAN, Carlos MOLINA, Robin LEMMENS, Guillaume TURC, Robert MIKULÍK (203 Czech Republic, guarantor, belonging to the institution), Patrik MICHEL, Turgut TATLISUMAK, Heinrich J AUDEBERT, Martin DICHGANS, Roland VELTKAMP, Johannes HUESING, Holm GRAESSNER, Jens FIEHLER, Joan MONTANER, Adedolapo Kamaldeen ADEYEMI, Katharina ALTHAUS, Juan F ARENILLAS, Benjamin BENDER, Frank BENEDIKT, Gabriel BROOCKS, Ina BURGHAUS, Pere CARDONA, Milani DEB-CHATTERJI, Martina CVIKOVÁ (703 Slovakia, belonging to the institution), Luc DEFREYNE, De Herdt VEERLE, Olivier DETANTE, Ulrike ERNEMANN, Fabian FLOTTMANN, Lidia Garcia GUILLAMON, Monika GLAUCH, Alexandra GOMEZ-EXPOSITO, Benjamin GORY, Sylvie Sylvie GRAND, Michal HARŠÁNY (703 Slovakia, belonging to the institution), Till Karsten HAUSER, Olivier HECK, Dimitri HEMELSOET, Florian HENNERSDORF, Julia HOPPE, Pia KALMBACH, Lars KELLERT, Martin KOHRMANN, Markus KOWARIK, Blanca LARA-RODRIGUEZ, Loic LEGRIS, Tobias LINDIG, Steffen LUNTZ, Jay LUSK, Mac Grory BRIAN, Andreas MANGER, Nicolas MARTINEZ-MAJANDER, Annerose MENGEL, Johannes MEYNE, Susanne MULLER, Sibu MUNDIYANAPURATH, Olivier NAGGARA, Krassen NEDELTCHEV, Thanh N NGUYEN, Maike A NILSSON, Michael OBADIA, Khouloud POLI, Jan C PURRUCKER, Silja RATY, Sebastien RICHARD, Hardy RICHTER, Clotilde SCHILTE, Eckhard SCHLEMM, Linda STOHR, Benjamin STOLTE, Marek SYKORA, Goetz THOMALLA, Liisa TOMPPO, van Horn NOEL, Julia ZELLER, Ulf ZIEMANN, Christine S ZUERN, Florian HARTIG and Johannes TUENNERHOFF.
Edition International Journal of Stroke, LONDON, SAGE PUBLICATIONS LTD, 2024, 1747-4930.
Other information
Original language English
Type of outcome Article in a journal
Field of Study 30210 Clinical neurology
Country of publisher United States of America
Confidentiality degree is not subject to a state or trade secret
WWW URL
Impact factor Impact factor: 6.700 in 2022
Organization unit Faculty of Medicine
Doi http://dx.doi.org/10.1177/17474930231185275
UT WoS 001063489000001
Keywords (in Czech) Normobaric oxygen therapy; NBO; hyperoxygenation; neuroprotection; penumbra; ischemic stroke; thrombectomy
Keywords in English Normobaric oxygen therapy; NBO; hyperoxygenation; neuroprotection; penumbra; ischemic stroke; thrombectomy
Tags 14110127, Excelence Science, FNUSA, MU, rivok
Tags International impact, Reviewed
Changed by Changed by: Mgr. Tereza Miškechová, učo 341652. Changed: 25/1/2024 12:06.
Abstract
Rationale: Oxygen is essential for cellular energy metabolism. Neurons are particularly vulnerable to hypoxia. Increasing oxygen supply shortly after stroke onset could preserve the ischemic penumbra until revascularization occurs.Aims: PROOF investigates the use of normobaric oxygen (NBO) therapy within 6 h of symptom onset/notice for brain-protective bridging until endovascular revascularization of acute intracranial anterior-circulation occlusion.Methods and design: Randomized (1:1), standard treatment-controlled, open-label, blinded endpoint, multicenter adaptive phase IIb trial.Study outcomes: Primary outcome is ischemic core growth (mL) from baseline to 24 h (intention-to-treat analysis). Secondary efficacy outcomes include change in NIHSS from baseline to 24 h, mRS at 90 days, cognitive and emotional function, and quality of life. Safety outcomes include mortality, intracranial hemorrhage, and respiratory failure. Exploratory analyses of imaging and blood biomarkers will be conducted.Sample size: Using an adaptive design with interim analysis at 80 patients per arm, up to 456 participants (228 per arm) would be needed for 80% power (one-sided alpha 0.05) to detect a mean reduction of ischemic core growth by 6.68 mL, assuming 21.4 mL standard deviation.Discussion: By enrolling endovascular thrombectomy candidates in an early time window, the trial replicates insights from preclinical studies in which NBO showed beneficial effects, namely early initiation of near 100% inspired oxygen during short temporary ischemia. Primary outcome assessment at 24 h on follow-up imaging reduces variability due to withdrawal of care and early clinical confounders such as delayed extubation and aspiration pneumonia.Trial registrations: ClinicalTrials.gov: NCT03500939; EudraCT: 2017-001355-31.
Links
90249, large research infrastructuresName: CZECRIN IV
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